UdpTransportOptions.cs

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using System.Net;
 
namespace Dreamine.Communication.Sockets.Options;

public sealed class UdpTransportOptions
{
    public string LocalHost { get; set; } = "127.0.0.1";

    public int LocalPort { get; set; } = 16001;

    public string RemoteHost { get; set; } = "127.0.0.1";

    public int RemotePort { get; set; } = 16002;

    public int ReceiveBufferSize { get; set; } = 8192;

    public int SendBufferSize { get; set; } = 8192;

    public bool EnableBroadcast { get; set; }

    public bool ReuseAddress { get; set; }

    public IPEndPoint CreateLocalEndPoint()
    {
        return new IPEndPoint(ParseHost(LocalHost, allowAny: true), LocalPort);
    }

    public IPEndPoint CreateRemoteEndPoint()
    {
        return new IPEndPoint(ParseHost(RemoteHost, allowAny: false), RemotePort);
    }

    private static IPAddress ParseHost(string host, bool allowAny)
    {
        ArgumentException.ThrowIfNullOrWhiteSpace(host);
 
        if (allowAny && host == "0.0.0.0")
        {
            return IPAddress.Any;
        }
 
        if (host == "127.0.0.1" ||
            host.Equals("localhost", StringComparison.OrdinalIgnoreCase))
        {
            return IPAddress.Loopback;
        }
 
        if (IPAddress.TryParse(host, out var ipAddress))
        {
            return ipAddress;
        }
 
        throw new ArgumentException($"Invalid UDP host: {host}", nameof(host));
    }
}